IVGCVSW-2398 Add no-op factory implementations for all backends for the
Equal operation

 * Add QueueDescriptor in WorkloadData.hpp
 * Add CreateEqual function in WorkloadFactory.hpp
 * Added stub implementation of the CreateEqual function in RefWorkloadFactory,
   NeonWorkloadFactory and ClWorkloadFactory

Change-Id: Iec6dc2f989c67fa6f0c32cfb93508995c8580783
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 370b94c..2f35e82 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -194,6 +194,8 @@
     src/armnn/layers/DepthwiseConvolution2dLayer.cpp
     src/armnn/layers/ElementwiseBaseLayer.hpp
     src/armnn/layers/ElementwiseBaseLayer.cpp
+    src/armnn/layers/EqualLayer.hpp
+    src/armnn/layers/EqualLayer.cpp
     src/armnn/layers/FakeQuantizationLayer.hpp
     src/armnn/layers/FakeQuantizationLayer.cpp
     src/armnn/layers/FloorLayer.hpp